Home / 13,284.08-18,332.06-7,316.30

Finding the Fourth Proportional to 13,284.08, 18,332.06 and 7,316.30

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Solution

The fourth proportional to 13,284.08, 18,332.06 and 7,316.30 is: 10,096.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.08 : 18,332.06 = 7,316.30 : x
  2. Step 2: Convert to fraction form
    13,284.08/18,332.06 = 7,316.30/x
  3. Step 3: Cross multiply
    13,284.08x = 18,332.06 × 7,316.30
  4. Step 4: Simplify right side
    13,284.08x = 134,122,814.00
  5. Step 5: Solve for x
    x = 134,122,814.00/13,284.08
  6. Step 6: Final answer
    x = 10,096.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.